Heads of states, governments and foreign ministries, as well as officials of the OIC member states, gathered in the holy city to discuss the pressing problems of the Islamic Ummah, including regional conflicts and challenges, as well as issues of economic, social and cultural development.

The King of Saudi Arabia, Salman bin Abdulaziz Al Saud, personally welcomed the guests, thanking them for their participation and contribution to the development and strengthening of the OIC.

The Summit's agenda was focused on the situation in Palestine (a separate resolution was adopted), Syria, Iraq, Yemen, Afghanistan and other places of instability in the OIC area of responsibility. The fight against international terrorism, islamophobia, and promotion of interreligious harmony were also discussed.

The participants also discussed issues of attracting investment and financing various economic and social projects, food security, science and technology, climate change and sustainable development, interfaith interaction, women's empowerment, joint actions of Islamic states in the humanitarian sphere and human rights.

These issues are reflected in the Summit's final communiqué.

A separate item of the Final communiqué was devoted to the merits of the First President of the Republic of Kazakhstan - Elbasy Nursultan Nazarbayev, which noted his role in promoting the ideals, principles and goals of the Islamic Ummah. The summit unanimously recognized the merits of Nursultan Nazarbayev in the integration of the Islamic world through the Islamic Reconciliation Initiative, the Islamic Organization for Food Security (ISI), the Islamic Infrastructure Integration and the OIC-15 Dialogue Platform.

The Summit participants were informed about the political changes in Kazakhstan and the preparations for the upcoming presidential elections, where the OIC will take part as an observer.

Following the meeting, it was decided to hold the next OIC Summits in Gambia in 2022 and Indonesia in 2025.